Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

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Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

Image 3 of 12

Mourners react at the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Mourners react at the scene of a fatal shooting in the 4800 block...

Image 4 of 12

Mourners react at the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Mourners react at the scene of a fatal shooting in the 4800 block...

Image 5 of 12

Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

Image 6 of 12

Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

Image 7 of 12

Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

Image 8 of 12

Authorities investigate the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Photo: Cody Duty, Houston Chronicle

Authorities investigate the scene of a fatal shooting in the 4800...

Image 9 of 12

Authorities investigate the scene Monday near Sugar Land.

Photo: Cody Duty, Staff

Authorities investigate the scene Monday near Sugar Land.

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Mourners react to the news Monday that a couple was fatally shot and their children, 11 and 15, injured at a home in the 4800 block of Russett Lane, southwest of Sugar Land. Neighbors were stunned by the shootings of a family they called "normal" and "happy."

Photo: Cody Duty, Staff

Mourners react to the news Monday that a couple was fatally shot...

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Mourners react at the scene of a fatal shooting in the 4800 block of Russett Lane, Monday, May 5, 2014, in Sugar Land. A man and woman were fatally shot and two children were injured at the Fort Bend County home. Deputies said they believe the man and woman were the parents of the injured children, an 11-year-old boy and a girl who is about 15 years old. The children were flown by LifeFlight medical helicopter to Memorial Hermann hospital.

Authorities say a man shot his wife to death, wounded his two children and then fatally shot himself in their Fort Bend County home Monday morning.

The shooting occurred about 6 a.m. in the 4800 block of Russett near Southborough, according to the Fort Bend County Sheriff's Office.

Deputies said the couple has been identified as 46-year-old Karim Kamdar and his wife, 37-year-old Nikhat Kamdar.

The couple's 15-year-old daughter and 11-year-old son were wounded. Both children, whose names have not been released, were flown by LifeFlight medical helicopter to Memorial Hermann-The Texas Medical Center. Their conditions were not released.

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Deputies said evidence indicates Karim Kamdar shot his wife with a handgun and then tried to kill his daughter and son before turning the gun on himself.

The wounded girl managed to call 911. When deputies arrived they found her outside in the front yard. The bodies of her parents and her wounded brother were discovered inside the house.

Deputies did not release any information about what may have prompted the shooting.

Residents in the quiet neighborhood of two-story brick homes in the New Territory subdivision southwest of Sugar Land said the family had lived there for years was friendly and appeared happy. The parents greeted their neighbors good-naturedly and the children played with other kids in the neighborhood.

It was common, neighbors said, to see Karim Kamdar playing basketball with his son in the driveway of the home.

"They were like a normal family. They were very happy," said Skie Villani, 14, who lives across the street. "You'd see the kids playing outside, especially the little boy."